jaycd
type: MusicGroup
popularity: 15
followers: 108
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcb769809ad0d2da0f2c9cc6c346678b4f7c63c1c29a18eb0466a1d47e9dba28f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953605
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953605
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/11bce858-3c2c-4980-b4f2-8f9721ab4c45.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/11bce858-3c2c-4980-b4f2-8f9721ab4c45.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/11bce858-3c2c-4980-b4f2-8f9721ab4c45
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T07:39:50Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb769809ad0d2da0f2c9cc6c346678b4f7c63c1c29a18eb0466a1d47e9dba28f. Chain 2 (Bitcoin): anchored in block 953605 (2026-06-14T07:39:50Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/11bce858-3c2c-4980-b4f2-8f9721ab4c45.json and https://artists.proofprofile.net/proofs/artist/11bce858-3c2c-4980-b4f2-8f9721ab4c45.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T07:39:50Z
album: 钢琴曲纯音乐经典
  type: MusicAlbum
  date published: 2020-11-20
  track: 贝多芬 欢乐颂 - 第九交响曲钢琴曲
    type: MusicRecording
    duration: PT1M50S
    duration ms: 110469
    explicit: false
    by artist: jaycd
    in album: 钢琴曲纯音乐经典
      type: MusicAlbum
      date published: 2020-11-20
    isrc code: HKG732143062
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9b198797df32588d5f666166d918888cdb0acb7a460c788f06ab99e0e54680ce
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958832
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958832
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKG732143062
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T08:22:31Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b198797df32588d5f666166d918888cdb0acb7a460c788f06ab99e0e54680ce. Chain 2 (Bitcoin): anchored in block 958832 (2026-07-20T08:22:31Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKG732143062.
      date published: 2026-07-20T08:22:31Z
    audio: 贝多芬 欢乐颂 - 第九交响曲钢琴曲
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 96.007
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.607
      additional property: Energy
        type: PropertyValue
        value: 0.202
      additional property: Speechiness
        type: PropertyValue
        value: 0.053
      additional property: Acousticness
        type: PropertyValue
        value: 0.974
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.947
      additional property: Liveness
        type: PropertyValue
        value: 0.115
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.704
      additional property: Loudness (dB)
        type: PropertyValue
        value: -21.622
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: 钢琴曲纯音乐经典
  type: MusicAlbum
  date published: 2020-11-20
  track: 贝多芬 欢乐颂（第九交响曲钢琴曲）
    type: MusicRecording
    duration: PT1M50S
    duration ms: 110469
    explicit: false
    by artist: jaycd
    in album: 钢琴曲纯音乐经典
      type: MusicAlbum
      date published: 2020-11-20
    isrc code: HKG732143062
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T06:19:24+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9b198797df32588d5f666166d918888cdb0acb7a460c788f06ab99e0e54680ce
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958383
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958383
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKG732143062
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T08:20:01Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b198797df32588d5f666166d918888cdb0acb7a460c788f06ab99e0e54680ce. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKG732143062.
      date published: 2026-07-17T08:20:01Z
    audio: 贝多芬 欢乐颂（第九交响曲钢琴曲）
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 96.009
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.608
      additional property: Energy
        type: PropertyValue
        value: 0.202
      additional property: Speechiness
        type: PropertyValue
        value: 0.052
      additional property: Acousticness
        type: PropertyValue
        value: 0.975
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.946
      additional property: Liveness
        type: PropertyValue
        value: 0.115
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.71
      additional property: Loudness (dB)
        type: PropertyValue
        value: -21.622
      additional property: Key Name
      additional property: Mode Name
album: Canon in D Major (D大调卡农纯音乐)
album: 夜的钢琴曲五 (钢琴曲纯音乐)
album: 所念皆星河
album: 寂静之声
album: 寂静之声 (纯音乐)
album: 轻音乐经典钢琴曲，舒缓治愈音乐
album: 催眠曲5分钟入睡（纯音乐钢琴曲）
album: 莫扎特钢琴曲k448 (无损钢琴曲)
album: 土耳其进行曲
album: 摇篮曲
album: 天鹅湖
album: 田园交响曲
album: 斯卡布罗集市

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Major

钢琴曲纯音乐经典
type: MusicAlbum
date published: 2020-11-20

钢琴曲纯音乐经典
type: MusicAlbum
date published: 2020-11-20
track: 蓝色多瑙河（钢琴曲纯音乐）
  type: MusicRecording
  duration: PT1M47S
  duration ms: 107230
  explicit: false
  by artist: jaycd
  in album: 钢琴曲纯音乐经典
    type: MusicAlbum
    date published: 2020-11-20
  isrc code: HKG732157136
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T02:27:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xded4b84f9f39cb5da14d21c12caa46e8a4035bf563308f0d093ce519b0d4b3db
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958690
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958690
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKG732157136
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T07:14:39Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xded4b84f9f39cb5da14d21c12caa46e8a4035bf563308f0d093ce519b0d4b3db. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKG732157136.
    date published: 2026-07-19T07:14:39Z
  audio: 蓝色多瑙河（钢琴曲纯音乐）
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 165.941
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.803
    additional property: Energy
      type: PropertyValue
      value: 0.32
    additional property: Speechiness
      type: PropertyValue
      value: 0.224
    additional property: Acousticness
      type: PropertyValue
      value: 0.983
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.894
    additional property: Liveness
      type: PropertyValue
      value: 0.112
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.437
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.943
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

钢琴曲纯音乐经典
type: MusicAlbum
date published: 2020-11-20

Canon in D Major (D大调卡农纯音乐)
type: MusicAlbum
date published: 2020-11-30

夜的钢琴曲五 (钢琴曲纯音乐)
type: MusicAlbum
date published: 2020-12-15

所念皆星河
type: MusicAlbum
date published: 2020-12-18

寂静之声
type: MusicAlbum
date published: 2021-01-03

寂静之声 (纯音乐)
type: MusicAlbum
date published: 2021-01-03

寂静之声 (纯音乐)
type: MusicAlbum
date published: 2021-01-03

轻音乐经典钢琴曲，舒缓治愈音乐
type: MusicAlbum
date published: 2021-01-13

轻音乐经典钢琴曲，舒缓治愈音乐
type: MusicAlbum
date published: 2021-01-13

催眠曲5分钟入睡（纯音乐钢琴曲）
type: MusicAlbum
date published: 2021-01-13

轻音乐经典钢琴曲，舒缓治愈音乐
type: MusicAlbum
date published: 2021-01-13

莫扎特钢琴曲k448 (无损钢琴曲)
type: MusicAlbum
date published: 2021-01-22

莫扎特钢琴曲k448 (无损钢琴曲)
type: MusicAlbum
date published: 2021-01-22

土耳其进行曲
type: MusicAlbum
date published: 2021-12-01

摇篮曲
type: MusicAlbum
date published: 2021-12-09

天鹅湖
type: MusicAlbum
date published: 2022-03-01

田园交响曲
type: MusicAlbum
date published: 2022-03-03

斯卡布罗集市
type: MusicAlbum
date published: 2022-03-11